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-rw-r--r--read-cache.c39
1 files changed, 33 insertions, 6 deletions
diff --git a/read-cache.c b/read-cache.c
index d9fb78bc55..248432af43 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -19,9 +19,6 @@
#include "split-index.h"
#include "utf8.h"
-static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
- unsigned int options);
-
/* Mask for the name length in ce_flags in the on-disk index */
#define CE_NAMEMASK (0x0fff)
@@ -659,9 +656,10 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
else
ce->ce_flags |= CE_INTENT_TO_ADD;
- if (trust_executable_bit && has_symlinks)
+
+ if (trust_executable_bit && has_symlinks) {
ce->ce_mode = create_ce_mode(st_mode);
- else {
+ } else {
/* If there is an existing entry, pick the mode bits and type
* from it, otherwise assume unexecutable regular file.
*/
@@ -756,6 +754,35 @@ struct cache_entry *make_cache_entry(unsigned int mode,
return ret;
}
+/*
+ * Chmod an index entry with either +x or -x.
+ *
+ * Returns -1 if the chmod for the particular cache entry failed (if it's
+ * not a regular file), -2 if an invalid flip argument is passed in, 0
+ * otherwise.
+ */
+int chmod_index_entry(struct index_state *istate, struct cache_entry *ce,
+ char flip)
+{
+ if (!S_ISREG(ce->ce_mode))
+ return -1;
+ switch (flip) {
+ case '+':
+ ce->ce_mode |= 0111;
+ break;
+ case '-':
+ ce->ce_mode &= ~0111;
+ break;
+ default:
+ return -2;
+ }
+ cache_tree_invalidate_path(istate, ce->name);
+ ce->ce_flags |= CE_UPDATE_IN_BASE;
+ istate->cache_changed |= CE_ENTRY_CHANGED;
+
+ return 0;
+}
+
int ce_same_name(const struct cache_entry *a, const struct cache_entry *b)
{
int len = ce_namelen(a);
@@ -1254,7 +1281,7 @@ int refresh_index(struct index_state *istate, unsigned int flags,
return has_errors;
}
-static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
+struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
unsigned int options)
{
return refresh_cache_ent(&the_index, ce, options, NULL, NULL);